Service difficulty report · Battery Pack · Boeing 737890

Difficulty date
March 7, 2017
Submitted
March 9, 2017
Operation
Air carrier
Aircraft
N557AS
Make and model
Boeing 737890
Aircraft serial
35176
Aircraft time
41,048 hours, 12,085 cycles
Part
Battery Pack
Part number
ADD71701100
Condition
Failed
Location
Emergency Lights
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WHILE PERFORMING T/C 78233001, FOUND THE L2 DOOR BATTERY PACK FAULTY AS WELL AS BOTH LEFT AND RIGHT AFT OVERWING EXIT BATTERY PACKS FAULTY. ACFT GROUNDED. REMOVED AND REPLACED THE BATTERY PACK IAW AMM 33-51-06-960-805. OPS CHECKED OK.